Axial fan



FIG. 1 is a first end perspective view of the axial fan showing my new design;

FIG. 2 is a first side view thereof;

FIG. 3 is another first end perspective view thereof;

FIG. 4 is a second side view thereof;

FIG. 5 is a second end view thereof; and,

FIG. 6 is a second end perspective view thereof. 

CLAIM The ornamental design for an axial fan, as shown and described. 